/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 87111
 * Date: 2025-10-29
 * Time: 14:29
 */
public class Demo1 {
    public static int count = 0;
    public static void main(String[] args) throws InterruptedException {
        Object o = new Object();
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                synchronized(o) {
                    count++;
                }
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                synchronized(o) {
                    count++;
                }
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println(count);
    }
}
